9 Decommissioning
9.1 Taking the electronic unit out of operation
Test
Procedure
Function test
Electronic unit:
Switch on the power supply.
ð
The start message is displayed on the display unit.
ð
The following is displayed no later than 3 seconds:
1.01 Display Volumeter A
.
9 Decommissioning
9.1 Taking the electronic unit out of operation
DANGER
Risk of death resulting from electric shock.
► The electronic unit may only be separated from the power supply by an authorized electrician.
Switch off the power supply of the system.
Notice
All the settings and total values are retained when the electronic unit is switched off or the power sup-
ply fails. After recommissioning, instantaneous values (
Q
,
T
) can be recalculated.
10 Operation
10.1 Abbreviations, units and signals
10.1.1
Abbreviations
Abbreviation
Meaning
Q
nom
Nominal flow rate
QA
Current flow flowmeter A
∑A1
Total flow flowmeter A since last reset (without password protection)
∑A2
Total flow flowmeter A since last reset (with password protection)
Rho
Density
f
Frequency
K
K-factor
10.1.2
Units
In order to make extensive conversions by the user superfluous, various country-specific units and
quantities of a unit are available for the display.
Abbreviations
Meaning
Volume
ml, l, galUS, galUK, m
3
Masses
g, kg, t, lb
Flow, volumetric
ml/s, ml/min, l/s, l/min, l/h, galUS/s, galUS/min, galUS/h, galUK/s, galUK/min,
galUK/h, m
3
/min, m
3
/h
Flow, mass-specific g/s, g/min, kg/s, kg/min, kg/h, t/min, t/h, lb/s, lb/min, lb/h
Density
kg/m
3
, lb/galUS, lb/galUK
Frequency
Hz
K-factor
P/l
10.1.3
Pulse signals
A pulse input for pick up with the following functions is available:
o
NPN
o
PNP
o
Namur
Either NPN or PNP can be selected for push-pull pick ups, see
2.11 Setting Function Pick up
.
Operating instructions
OIE 15en-GB Edition 2020-03
17
